Leakage Pollution Monitoring of Municipal Landfill Based on the Resistivity Method
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Abstract
The groundwater pollution resulting from landfill leakage in urban areas has become an increasingly serious threat. At present, there are various problems in the method of monitoring the landfill leakage. The environmental geophysics methods are the main approaches for leakage monitoring. However, similarly to other landfill leakage monitoring methods, these traditional geophysical methods have the problems of limited surveying range and a long period of survey intervals. This paper introduces the elemental mechanism of landfill leakage pollution, whilst also reviewing the principles of applying resistivity method to monitor leakages. The resistivity Full Channel Method is introduced with apparent advantages; these are illustrated using a synthetic model to compare the Full Channel Method against other traditional methods. This paper also discusses the advantages of using permanent buried electrodes for data acquisition, and processing, while introducing the main methodologies and principles of the data interpretation on the resistivity anomaly. With the extensively large scale of the landfill industry, the data acquisition and processing with resistivity Full Channel Method can provide real-time, high-efficiency, and comprehensive monitoring, which deserves to be applied within all landfill sites.
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